Whale Underfloor Space Heater 4.3kW Gas & Electric ISO Bulk image 1

Whale Underfloor Space Heater 4.3kW Gas & Electric ISO Bulk

£1462.01 (inc VAT) £1754.99
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The Whale® 4.3s (4.3kW) space heater is a compact underfloor gas and electric blown air space heater designed for caravan and motorhome applications (it is not suitable for static caravans).

The heater features a boost setting which varies the heat output depending on the temperature of the vehicle. It continually checks the temperature to establish the best settings to use.

Nominal heat input is 2.9kW on gas and 2.6kW on mains electric. This model can use 2.9kW gas and up to 1.3kW electric simultaneously to provide the best available output.

The Whale® 4.3s space heater is designed to be operated by either the Whale Space Heater Control Panel, the Whale Duo Control Panel or by the Whale iVan® Touchscreen Control Panel.

The heater is designed to be installed with a ducted hot air system, and must not be used in conjunction with any other system.

Please note, this Whale® 4.3s heater DOES NOT have a reset button.

All Whale gas products must be installed by a Qualified Gas Engineer in accordance with the installation instructions and BS EN 1949-2011.

All work must be carried out by a competent person as defined by BS7671 PART2.

Whale Underfloor Space Heater 4.3kW Gas & Electric ISO Bulk Features

  • Boost setting to vary heat output depending on vehicle temperature
  • Nominal heat input of 2.9kW on gas
  • Nominal heat input of 2.6kW on mains electric
  • Can use 2.9kW gas and up to 1.3kW electric simultaneously
  • Can be operated by Whale Space Heater Control Panel, Duo Control Panel or Whale iVan® Touchscreen Control Panel

  • Voltage [Filter] 12V DC
  • Replaces W-SH4412IB
  • Brand Whale
  • Voltage 12V DC
  • Height 185mm
  • Width 313.5mm
  • Depth 820m
  • Weight 10.9kg
  • Colour Silver
  • Wattage 650 / 1300 / 2600W
  • Diameter Hot air duct: 60mm ID / Flue: 22mm ID
  • Fuel Butane/Propane 28-30mbar - CAT I3B/P (30)
  • Input Nominal Heat on Gas: 2.9kW / Electric: 2.6kW
  • Gas Consumption 220g/hr
  • Amps 11.5 Amps (Max.)
  • Country of Origin United Kingdom


All products and parts must be installed by engineers who hold a valid certificate of competence. The installation must comply with the manufacturers instructions and local regulations. We cannot be held responsible if these instructions are not followed.

Please note we are a camping, caravan and motorhome company and NO gas product that we sell is suitable for mains (domestic) gas supply.

If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 30 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?